6 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension C6, C7, C8 (radial ... Extension - C7, C8 (radial ... Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial
Superior Oblique Myokymia 
Eye movement disorder where the superior oblique twitches periodically causing jumping of a
Superior Oblique Myokymia ... Eye movement ... It is probably caused ... the trochlear nerve ... #physicalexam #video
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Localizing Extraocular Movement ... palsy • Medial ... Skew Deviation Casey ... #Extraocular #Movement ... #differential #diagnosis
Hemimasticatory Spasm on Physical Exam

Hemimasticatory spasm is a disorder of the trigeminal nerve → involuntary jaw
the trigeminal nerve ... Myokimia will cause ... such gross movement ... PhysicalExam #clinical #cheek ... #CN5 #video #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Nerves: Brainstem ... Sensory: • Tone: check ... responses • Check ... Casey Albin MD @
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... nerve receives ... this rule are CN ... the preserved movements ... palsy #clinical #video